.van-back-top{background-color:var(--d-index)!important}.custom-back-top .back-top-icon[data-v-602def0f]{align-items:center;background-color:var(--white);border-radius:50%;color:var(--text_font_color);display:flex;height:4rem;justify-content:center;transition:all .3s;width:4rem}.custom-back-top .back-top-icon[data-v-602def0f]:active{background-color:var(--d-index)!important;border-color:var(--d-index)!important;opacity:.8;transform:scale(.9)}